enum OrderStatus {
  PENDING_PAYMENT
  CANCELLED
}
enum CouponKind {
  FIXED
  PERCENT
}
model Cart {
  id String @id @default(uuid()) @db.Uuid
  organizationId String @map("organization_id") @db.Uuid
  userId String @map("user_id") @db.Uuid
  version Int @default(0)
  user User @relation(fields: [userId, organizationId], references: [id, organizationId], onDelete: Restrict)
  lines CartLine[]
  @@unique([userId, organizationId])
  @@unique([id, organizationId])
  @@map("carts")
}
model CartLine {
  id String @id @default(uuid()) @db.Uuid
  cartId String @map("cart_id") @db.Uuid
  organizationId String @map("organization_id") @db.Uuid
  variantId String @map("variant_id") @db.Uuid
  quantity Int
  cart Cart @relation(fields: [cartId, organizationId], references: [id, organizationId], onDelete: Cascade)
  variant ProductVariant @relation(fields: [variantId, organizationId], references: [id, organizationId], onDelete: Restrict)
  @@unique([cartId, variantId])
  @@map("cart_lines")
}
model Coupon {
  id String @id @default(uuid()) @db.Uuid
  organizationId String @map("organization_id") @db.Uuid
  code String @db.VarChar(40)
  kind CouponKind
  currency String @db.Char(3)
  amount Decimal? @db.Decimal(12,2)
  percentBps Int? @map("percent_bps")
  minimumSubtotal Decimal @default(0) @map("minimum_subtotal") @db.Decimal(12,2)
  maxUses Int @map("max_uses")
  perUserLimit Int @map("per_user_limit")
  startsAt DateTime @map("starts_at") @db.Timestamptz(3)
  endsAt DateTime @map("ends_at") @db.Timestamptz(3)
  active Boolean @default(true)
  organization Organization @relation(fields: [organizationId], references: [id], onDelete: Restrict)
  orders Order[]
  @@unique([organizationId, code])
  @@unique([id, organizationId])
  @@map("coupons")
}
model Order {
  id String @id @default(uuid()) @db.Uuid
  organizationId String @map("organization_id") @db.Uuid
  userId String @map("user_id") @db.Uuid
  status OrderStatus @default(PENDING_PAYMENT)
  currency String @db.Char(3)
  subtotal Decimal @db.Decimal(16,2)
  discount Decimal @db.Decimal(16,2)
  merchandiseTotal Decimal @map("merchandise_total") @db.Decimal(16,2)
  addressSnapshot Json @map("address_snapshot")
  couponSnapshot Json? @map("coupon_snapshot")
  couponId String? @map("coupon_id") @db.Uuid
  idempotencyKey String @map("idempotency_key") @db.Uuid
  requestHash String @map("request_hash") @db.Char(64)
  expiresAt DateTime @map("expires_at") @db.Timestamptz(3)
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  user User @relation(fields: [userId, organizationId], references: [id, organizationId], onDelete: Restrict)
  coupon Coupon? @relation(fields: [couponId, organizationId], references: [id, organizationId], onDelete: Restrict)
  lines OrderLine[]
  reservations StockReservation[]
  @@unique([userId, organizationId, idempotencyKey])
  @@unique([id, organizationId])
  @@index([organizationId, userId, createdAt, id])
  @@unique([id, userId, organizationId])
  @@index([couponId, status, expiresAt])
  @@map("orders")
}
model OrderLine {
  id String @id @default(uuid()) @db.Uuid
  orderId String @map("order_id") @db.Uuid
  organizationId String @map("organization_id") @db.Uuid
  variantId String @map("variant_id") @db.Uuid
  sku String @db.VarChar(64)
  productName String @map("product_name") @db.VarChar(160)
  variantName String @map("variant_name") @db.VarChar(160)
  quantity Int
  unitPrice Decimal @map("unit_price") @db.Decimal(12,2)
  lineTotal Decimal @map("line_total") @db.Decimal(16,2)
  order Order @relation(fields: [orderId, organizationId], references: [id, organizationId], onDelete: Restrict)
  variant ProductVariant @relation(fields: [variantId, organizationId], references: [id, organizationId], onDelete: Restrict)
  @@unique([orderId, variantId])
  @@map("order_lines")
}